81325538

素因数分解:

$2^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{277}}^1\times {\mathrm{313}}^1$

素因数の和:666

約数の個数: 32

約数和(自身を含む): 142460544

約数和(自身を除く): 61135006

約数列:

[1, 2, 7, 14, 67, 134, 277, 313, 469, 554, 626, 938, 1939, 2191, 3878, 4382, 18559, 20971, 37118, 41942, 86701, 129913, 146797, 173402, 259826, 293594, 606907, 1213814, 5808967, 11617934, 40662769, 81325538]

約数ペア:

[(1, 81325538), (2, 40662769), (7, 11617934), (14, 5808967), (67, 1213814), (134, 606907), (277, 293594), (313, 259826), (469, 173402), (554, 146797), (626, 129913), (938, 86701), (1939, 41942), (2191, 37118), (3878, 20971), (4382, 18559)]